diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 53ee0cd..e43c2aa 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
       # ----------
       # Create github release
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 97b9347..12adf70 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
     continue-on-error: true
     steps:
       - name: Checkout code
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           fetch-depth: 0
 
@@ -37,7 +37,7 @@ jobs:
     name: Node.js Action - Valid Compose
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6.0.0
 
       - name: Run DCLint via npx on valid file
         uses: ./
@@ -48,7 +48,7 @@ jobs:
     name: Node.js Action - Invalid Compose (should fail)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6.0.0
 
       - name: Run DCLint via npx on invalid file
         id: dclint-node
@@ -78,7 +78,7 @@ jobs:
     name: Docker Action - Valid Compose
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6.0.0
 
       - name: Run DCLint via docker on valid file
         uses: ./docker-action
@@ -89,7 +89,7 @@ jobs:
     name: Docker Action - Invalid Compose (should fail)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6.0.0
 
       - name: Run DCLint via docker on invalid file
         id: dclint-docker
@@ -111,7 +111,7 @@ jobs:
     name: Reviewdog Action - Valid Compose
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6.0.0
 
       - name: Run DCLint via docker on valid file
         uses: ./reviewdog-action
diff --git a/.github/workflows/update-dclint.yml b/.github/workflows/update-dclint.yml
index 6b96880..45c06a2 100644
--- a/.github/workflows/update-dclint.yml
+++ b/.github/workflows/update-dclint.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6.0.0
 
       - name: Get latest dclint version from npm
         id: get_version
diff --git a/.github/workflows/update-reviewdog.yml b/.github/workflows/update-reviewdog.yml
index 23c83cd..1f728e2 100644
--- a/.github/workflows/update-reviewdog.yml
+++ b/.github/workflows/update-reviewdog.yml
@@ -10,7 +10,7 @@ jobs:
   reviewdog:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - uses: haya14busa/action-depup@94a1aaf4e4923064019214b48a43276218af7ad5 # v1.6.4
         id: depup
         with: